Home / 219,780,691.70-329,671,037.55-56,018,131.70

Finding the Fourth Proportional to 219,780,691.70, 329,671,037.55 and 56,018,131.70

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Solution

The fourth proportional to 219,780,691.70, 329,671,037.55 and 56,018,131.70 is: 84,027,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,780,691.70 : 329,671,037.55 = 56,018,131.70 : x
  2. Step 2: Convert to fraction form
    219,780,691.70/329,671,037.55 = 56,018,131.70/x
  3. Step 3: Cross multiply
    219,780,691.70x = 329,671,037.55 × 56,018,131.70
  4. Step 4: Simplify right side
    219,780,691.70x = 18,467,555,599,151,548
  5. Step 5: Solve for x
    x = 18,467,555,599,151,548/219,780,691.70
  6. Step 6: Final answer
    x = 84,027,197.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.